September 25, 2006

Photo Release -- First Business Announces Promotions

MADISON, Wis., Sept. 25, 2006 (PRIMEZONE) -- First Business Financial Services, Inc. (Nasdaq:FBIZ) and First Business Bank - Madison are pleased to announce the following promotions.

Photos accompanying this release are available at:

Michael Losenegger has been named Chief Operating Officer of First Business Financial Services, Inc. He has also been named Chief Executive Officer of First Business Bank - Madison and he will continue to serve on the bank’s Board of Directors.

Mark Meloy has been named President of First Business Bank - Madison. He has also been elected to the First Business Bank - Madison Board of Directors.

Dennis Sampson and Anthony Larson have been named Senior Vice Presidents of First Business Bank - Madison.

These promotions complete the succession plan previously announced whereby Corey Chambas will become Chief Executive Officer of First Business Financial Services, Inc. on or before January 2, 2007. He will continue in his role as President and Director of the First Business Financial Services, Inc. and as a Director of First Business Bank-Milwaukee, First Business Leasing, and First Business Capital Corp.
About First Business Financial Services, Inc.

First Business Financial Services, Inc. (Nasdaq:FBIZ) is a Wisconsin-based bank holding company, focused on the unique needs of businesses, business executives, and high net worth individuals. First Business offers commercial banking, specialty finance, and private wealth management solutions, and because of its niche focus, is able to provide its clients with unmatched expertise, accessibility, and responsiveness. For additional information, visit or call (608) 238-8008.

The First Business Financial Services, Inc. logo is available at

Forward-Looking Statements
This press release contains forward-looking statements that reflect the Corporation's plans, estimates and beliefs. When used in this press release, the words "anticipate," "believe," "estimate," "expect," "objective" and similar expressions and verbs in the future tense are intended to identify forward-looking statements. The statements contained in this press release involve or may involve certain assumptions, risks, and uncertainties, many of which are beyond the Corporation's control, which could cause actual results to differ materially from those discussed in the forward-looking statements. The forward-looking statements included in this press release are only made as of the date hereof, and the Corporation undertakes no obligation to publicly update such forward-looking statements to reflect subsequent events or circumstances. In addition to the assumptions and other factors referenced specifically in connection with such statements, the factors described in "Item 1A. Risk Factors" in our Annual Report on Form 10-K and the following factors could impact the business and financial prospects of the Corporation: general economic conditions; legislative and regulatory initiatives; increased competition and other effects of deregulation and consolidation of the financial services industry; monetary and fiscal policies of the federal government; deposit flows; disintermediation; the cost and availability of funds; general market rates of interest; interest rates or investment returns on competing investments; demand for loan products; demand for financial services; changes in accounting policies or guidelines; general economic developments; acts of terrorism and developments in the war on terrorism; and changes in the quality or composition of loan and investment portfolios.

Jodie Johnson
Assistant Vice President ? Marketing
First Business Financial Services, Inc.
(608) 232-5910